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Finding the Fourth Proportional to 481,478.74, 664,432.48 and 266,614.22

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Solution

The fourth proportional to 481,478.74, 664,432.48 and 266,614.22 is: 367,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,478.74 : 664,432.48 = 266,614.22 : x
  2. Step 2: Convert to fraction form
    481,478.74/664,432.48 = 266,614.22/x
  3. Step 3: Cross multiply
    481,478.74x = 664,432.48 × 266,614.22
  4. Step 4: Simplify right side
    481,478.74x = 177,147,147,397.87
  5. Step 5: Solve for x
    x = 177,147,147,397.87/481,478.74
  6. Step 6: Final answer
    x = 367,923.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.